Wurth Elektronik 171040302, Step Down Buck Boost Switching Regulator, Adjustable 39-Pin, BQFN

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): MY
Product Details

The VDRM 1710x0302 series of the MagI3C Power Module family provide a fully integrated DC-DC power supply including the switching regulator with integrated MOSFETs, compensation and shielded inductor in one package. These modules require as few as 4 external components. The 171040302 offers high efficiency and delivers up to 4A of output current. It operates with an input voltage from 2.95 to 6V and is designed for fast transient response. It is available in a standard industrial high power density QFN package (11mm x 9mm x 2.8mm) with very good thermal performance. This module has an on-board protection circuitry to guard against thermal overstress and electrical damage featuring thermal shutdown, over-current, short-circuit, overvoltage and undervoltage protections.

Peak efficiency up to 96%
Current capability up to 4A
Input voltage range: 2.95 to 6V
Output voltage range: 0.8 to 3.6V
Continuous output power: 14.4W
Integrated shielded inductor
Low output voltage ripple: 5mV typ.
Reference accuracy over temperature: 1% max.
Adjustable switching frequency: 0.5 to 2 MHz
Current Mode control
Synchronous operation
Forced continuous mode under light load
Undervoltage lockout protection (UVLO)
Adjustable soft-start and voltage tracking
Frequency synchronization with external clock
Sequencing
Thermal shutdown
Short circuit protection
Cycle-by-cycle current limit
Output overvoltage protection
Output undervoltage and overvoltage Power Good
Pin compatible with 171020302 & 171060302
Operating ambient temperature up to 85°C
No derating within the operating temperature range
Operating junction temp. range: -40 to 125°C
UL94V-0 package material
Complies with EN55022 class B radiated emissions
standard
Point-of-load DC-DC applications from 5V and 3.3V
rails
Industrial, test & measurement, medical applications
Communication infrastructure
System power supplies
DSPs, FPGAs, MCUs and MPU supply
I/O interface power supply
High density distributed power systems

Specifications
Attribute Value
Minimum Output Voltage 0.8 V dc
Maximum Output Voltage 3.6 V dc
Minimum Input Voltage 2.95 V
Maximum Input Voltage 6 V dc
Maximum Output Current 4A
Converter Type Step Down
Number of Outputs 1
Output Type Adjustable
Mounting Type Surface Mount
Package Type BQFN
Pin Count 39
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Load Regulation ±0.1 %
Dimensions 11 x 9 x 2.65mm
Length 11mm
Line Regulation ±0.1 %
Maximum Switching Frequency 2000 kHz
Efficiency 95%
Height 2.65mm
Switching Regulator Yes
Width 9mm
Temporarily out of stock - back order for despatch when stock is available
Price (ex. GST) Each
$ 16.68
(exc. GST)
$ 19.18
(inc. GST)
units
Per unit
1 - 9
$16.68
10 - 49
$14.90
50 - 99
$12.09
100 +
$11.13
Packaging Options:
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